101 AIMB-705 User ManualAppendix B I/O Pin AssignmentsB.25 GPIO ConnectorB.26 Fixed I/O Ranges Decoded by Intel PCHTable B.27: GPIO Connector (GPIO1)Pin Signal Pin Signal1 SIO_GPIO0 2 SIO_GPIO43 SIO_GPIO1 4 SIO_GPIO55 SIO_GPIO2 6 SIO_GPIO67 SIO_GPIO3 8 SIO_GPIO79 VCC 10 GNDTable B.28: Fixed I/O Ranges Decoded by Intel PCH20h - 21h Interrupt Controller Interrupt Controller Interrupt24h - 25h Interrupt Controller Interrupt Controller Interrupt28h - 29h Interrupt Controller Interrupt Controller Interrupt2Ch - 2Dh Interrupt Controller Interrupt Controller Interrupt2Eh - 2Fh LPC/eSPI LPC/eSPI Forwarded to LPC/eSPI30h - 31h Interrupt Controller Interrupt Controller Interrupt34h - 35h Interrupt Controller Interrupt Controller Interrupt38h - 39h Interrupt Controller Interrupt Controller Interrupt3Ch - 3Dh Interrupt Controller Interrupt Controller Interrupt40h Timer/Counter Timer/Counter 8254 Timer42h - 43h Timer/Counter Timer/Counter 8254 Timer4Eh - 4Fh LPC/eSPI LPC/eSPI Forwarded to LPC/eSPI50h Timer/Counter Timer/Counter 8254 Timer52h - 53h Timer/Counter Timer/Counter 8254 Timer60h LPC/eSPI LPC/eSPI Forwarded to LPC/eSPI61h NMI Controller NMI Controller Processor I/F62h Microcontroller Microcontroller Forwarded to LPC/eSPI63h NMI Controller1 NMI Controller1 Processor I/F64h Microcontroller Microcontroller Forwarded to LPC/eSPI65h NMI Controller1 NMI Controller1 Processor I/F66h Microcontroller Microcontroller Forwarded to LPC/eSPI67h NMI Controller1 NMI Controller1 Processor I/F70h RTC Controller NMI and RTC Controller RTC71h RTC Controller RTC Controller RTC72h RTC Controller RTC Controller RTC73h RTC Controller RTC Controller RTC74h RTC Controller RTC Controller RTC75h RTC Controller RTC Controller RTC76h - 77h RTC Controller RTC Controller RTC80h LPC/eSPI or PCIe LPC/eSPI or PCIe LPC/eSPI or PCIe84h - 86h Reserved LPC/eSPI or PCIe LPC/eSPI or PCIe88h Reserved LPC/eSPI or PCIe LPC/eSPI or PCIe8Ch - 8Eh Reserved LPC/eSPI or PCIe LPC/eSPI or PCIe